561-22-71207 561-22-71203 Pinion Gear Assembly | Rear Axle Gear Product Identification Core Part Details Primary Part Number: 561-22-71207 Interchange Part Number: 561-22-71203 Part Name: Pinion Gear Ass’y (Pinion Gear Assembly) Cross Reference Numbers: 5612271207, 5612271203 Equipment Applications Compatible Komatsu Models Model: HD785-7 Application Position: Rear Axle System Equipment Type: Heavy-Duty Dump Truck Product Function & Features Component Category: Axle Drive System Parts Function: Transmits power to rear axle for vehicle propulsion Design: Spiral bevel gear assembly for heavy-load operation Related Parts & Interchange Interchange & Related Part Numbers Standard Numeric Format: 5612271207, 5612271203 Related Rear Axle Components: 561-22-71200 Series (HD785 Axle Gear Parts) Related Part Numbers NO P.N. NAME 1 380-0018 380-0018 Rim Group CAT Wheel Assembly for Caterpillar 2 4439384 Hitachi EX1900/2500/2600/3600/5500 Swing Motor 4439384 4439491 3 706-7K-01040 706-7K-01040 Swing Motor Assembly for Komatsu PC450-7 PC450LC-7 4 4436203 Hitachi EX2500/3600/8000 Hydraulic Pump 4436203 5 702-16-01531 Komatsu Pilot Valve 702-16-01531 for D375A bulldozers 6 720-2T-00072 720-2T-00072 Main Hydraulic Pump for Komatsu Medium Bulldozer Series 7 6245-51-9100 Komatsu Oil Pump 6245-51-9100 - SAA6D170E-5C/5A-01/5-B EGR Valve Lubri... 8 708-1U-00151 708-1U-00151 Steering Fan Hydraulic Pump for Komatsu WA380-6 Wheel Loa... 9 11Y-27-30104 11Y-27-30104 Travel Motor for Komatsu D39 D37 D41 Bulldozer 10 6210-81-3122 Komatsu PC1250SP-8R Air Compressor Assembly 6210-81-3122 11 56D-43-37101 Komatsu Valve Assembly 56D-43-37101 for HM300-5 12 216-0038 216-0038 Hydraulic Main Pump for CAT 330C C9 Excavator Parts 13 3T-4449 3T-4449 Final Drive Assembly for CAT D7R Bulldozer 14 260-6650 260-6650 Final Drive Assembly for CAT D6R LGP Bulldozer 15 377-4959 377-4959 Hydraulic Main Pump for CAT 390GC 390FL C18 C27 Excavator 16 723-64-11200 Komatsu 723-64-11200 Main Control Valve D155AX-5 Dozer Distributor Val... 17 547-9727 Caterpillar 547-9727 Swing Motor Rotary Motor for E395GC Excavator 18 9211624 Hitachi EX2500 Swing Reducer Gear Housing 9211624 19 709-14-93500 Komatsu PC1250 Main Control Valve 709-14-93500 709-14-94001 709-15-940... 20 272-6959 CAT SBS140 Hydraulic Pump 272-6959 FOR CAT E325D 21 708-1S-00240 708-1S-00240 Fan Pump Hydraulic Fan Pump for Komatsu D65-12 Crawler Do... 22 6152-32-2510 Komatsu Piston 6152-32-2510 - WA470-3 PC400-7 S6D125E/SA6D125E Engine 23 511-7957 K7V280DTP Hydraulic Pump 511-7957 for CAT 374GC C15/C18 Excavator 24 23B-60-11102 23B-60-11102 Hydraulic Pumps & Gear Pumps Hydraulic Parts for Koma... 25 20S-60-72110 20S-60-72110 Main Hydraulic Pump Assembly for Komatsu PC30-7 Mini Hydr... 26 708-2H-03411 Komatsu Valve Assembly Kit 708-2H-03411 for PC400-7 27 723-64-21200 723-64-21200 Main Control Valve Assembly for Komatsu D60-12 D65PX-12 C... 28 208-26-63150 Komatsu Swing Carrier 208-26-63150 for PC1250-7 Excavator 29 6261-41-9500 Komatsu Valve Assembly 6261-41-9500 for PC200-7 PC220-7 PC300-7




